costview3/xmlrpc_server/xmlrpc.php in CostView in Caldera 9.20 allows remote attackers to execute arbitrary commands via shell metacharacters in a methodCall element in a PHP XMLRPC request.
Improper Neutralization of Special Elements used in an OS Command The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command before it is sent to a downstream component.